11118573 has 8 divisors (see below), whose sum is σ = 16472000. Its totient is φ = 7412364.

The previous prime is 11118563. The next prime is 11118581. The reversal of 11118573 is 37581111.

It is not a de Polignac number, because 11118573 - 2¹⁰ = 11117549 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 411799 = 11118573 / (1 + 1 + 1 + 1 + 8 + 5 + 7 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11118533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205873 + ... + 205926.

It is an arithmetic number, because the mean of its divisors is an integer number (2059000).

Almost surely, 2^11118573 is an apocalyptic number.

It is an amenable number.

11118573 is a deficient number, since it is larger than the sum of its proper divisors (5353427).

11118573 is an equidigital number, since it uses as much as digits as its factorization.

11118573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411808 (or 411802 counting only the distinct ones).

The product of its digits is 840, while the sum is 27.

The square root of 11118573 is about 3334.4524288105. The cubic root of 11118573 is about 223.1942578590.

Adding to 11118573 its reverse (37581111), we get a palindrome (48699684).

The spelling of 11118573 in words is "eleven million, one hundred eighteen thousand, five hundred seventy-three".